Glass tube variable area flowmeter
Purgemaster FGM6100


Purgemaster FGM6100 flowmeters are low capacity variable area flowmeters for both liquid and gas with an excellent selection of material and scale lengths in a single product family design. They feature a corrosion resistant, high strength stainless steel body, quick, easy snap-in tube construction and a safety tested operator protection shield.
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Leaflet: Variable area flowmeters

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Overview

Purgemasters are ideal for applications such as the purging of control lines and instrument enclosures. Their use is easily extended into fluid sampling, liquid specific gravity, level measurement and similar services.

Data

General specifications:

  • Application
    – Clean, low viscosity liquids and gases
  • Mounting
    – Vertically, in line, wall / surface or back of panel
  • Connections
    – 1/4 in. NPT or BSPP female, vertical or horizontal
  • Flow range
    – Water flows: 0.53 to 2200 cm3/min
  • Flow turndown
    – Typically 10:1
  • Operating pressure 
    – Up to 18 bar (261 lbf/in 2 g)
  • Operating temperature 
    – Up to 120 °C (248 °F)
  • Nominal scale length
    – 38, 76, 125 or 250 mm (11/2, 3, 5 and 10 in.) 
  • Accuracy 
    – Class 1.6 to Class 10, depending on tube diameter and float type
  • Alarms
    – Proximity sensors, up to 2 off 
  • Tube material
    – Glass
  • End connections
    – Brass or 316 stainless steel
  • Float material 
    – Glass, Sapphire, Carboly, Tantalum, Stainless steel

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